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<?php defined('SYSPATH') or die('No direct script access.');
/**
* Feed helper class.
*
* $Id: feed.php 1776 2008-01-21 17:19:13Z Shadowhand $
*
* @package Feed Helper
* @author Kohana Team
* @copyright (c) 2007-2008 Kohana Team
* @license http://kohanaphp.com/license.html
*/
class feed {

/**
* Parses a remote feed into an array.
*
* @param string remote feed URL
* @param integer item limit to fetch
* @return array
*/
public static function parse($feed, $limit = 0)
{
// Make limit an integer
$limit = (int) $limit;

// Disable error reporting while opening the feed
$ER = error_reporting(0);

// Allow loading by filename or raw XML string.
$feed = (is_file($feed) OR valid::url($feed)) ? simplexml_load_file($feed) : simplexml_load_string($feed);

// Restore error reporting
error_reporting($ER);

// Feed could not be loaded
if ($feed === FALSE)
return array();

// Detect the feed type. RSS 1.0/2.0 and Atom 1.0 are supported.
$feed = isset($feed->channel) ? $feed->xpath('//item') : $feed->entry;

$i = 0;
$items = array();

foreach ($feed as $item)
{
if ($limit > 0 AND $i++ === $limit)
break;

$items[] = (array) $item;
}

return $items;
}

} // End rss
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